Standalone VGA Grid User
Guide
Configuration keys for third party APIs
Frame grabber configuration keys
The following configuration settings are supported by the system. See
for more
information on each variable.
Table 42
Supported Frame Grabber Configuration Keys
Key
Values
Description
gain
0...255
Specifies ADC gain adjustments.
0 is brightest, 255 is darkest.
hshift
-999...999
Specifies horizontal shift.
For shifts to the left, use positive values.
For shifts to the right, use negative values.
offset
0...63
Specifies ADC offset.
0 is brightest, 63 is darkest.
phase
0...31
Specifies phase adjustments for VGA signals. Generally not
used unless value is provided by Epiphan support.
pll
-999...999
Specifies PLL adjustment.
Changes the number of pixels in the line.
tune_interval
0...9999
Specifies the number of seconds between auto-adjustments.
To disable auto-adjustments, set to 0.
vshift
-20...20
Specifies vertical shift.
For shifts up, use positive values.
For shifts down, use negative values.
Broadcast configuration keys
The following broadcast configuration settings are supported.
Table 43
Supported Broadcast Configuration Keys
Key
Values
Description
bcast_disabled
on
empty string ("")
Enables or disables the broadcast.
To disable broadcast, set to on.
To enable broadcast, set to empty string ("").
rtsp_port
1000...65535,
but not 5557
Specifies the port for RTSP streaming. Note port 5557 is used
for network discovery and cannot be used for streaming.
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